Valve.



J. H. RAYMAKER.

VALVE.

APPLICATION FILED MAY 20, 1911.

MII?

Patented June 4, 1912.

JAMES H. RAYMAKER, OF SHEBOYGAN, WISCONSIN.

VALVE.

To all w71 om i t may concern Be it known that I, JAMES H. RAYMAKER, a citizen of the United States, and resident of Sheboygan, in the county oiSheboygan` and State of IVisconsin, have inventedl certain new and -usefl Improvements in Valves; and I do hereby declare that the following is a full, clear, and exact descrip tion thereof.

My invention consists in what is herein particularly set forth with reference to the accompanying drawings and pointed out in the claims of this specification, its Aobject being to provide simple, economical and eiicient anti-friction Corliss-type valves especially designed as steam-engine stop-valves, their faces in a transverse direction being curvilinear and. eccentric to stems with which said valves have rotary movement in their casings to seat and unseat.

vFigure 1 of the drawings represents a sectionalview of one of my improved valves and its casing partly in elevation on the plane indicated by line 1-1 in the other figure of said drawings, and Fig. 2, a similar view on the plane indicated by line 2-2 in Fig. 1, the valve being shown'open in full lines and seated in dotted lines.

Referring by numerals to the drawings, 3 indicates the casing for a valve in accordance with my invention, 4 the valve and 5 the valve-stem. In any form of the valve its face is curvilinear transversely thereof and eccentric to the stem with which `it is rigidly connected to have rotary seating and unseating Imovement in the casing. In its preferred form, the valve is a plate curvilinear in cross-section and having approxii'natelytriangular end wings 6, 6 and a st-iffening rib 6 integral therewith, the wings being at right-angles to the plate.

.The inner end of the stem 5 is fast in the wing G of the valve, and a detachable head 7 ot' the casing is provided with a stuffingbox bearing 8 for said stem. The other valve-wing G is shown provided with a journaLlug 9 in line with thc stem 5, and an- Specieation of Letters Patent.

Application filed May 20, 1911.

Patentediune 4, 1h12.

serial No. 628,389.

other detachable head 7 of the casing is provided with a bearing 10 for the lug.

.The face of the valve-seat in the casing 3 conforms to the face of the valve, the two being of the same radius, and because of the eccentricity of its face to the stem 5, the

I valve is only'in touch with its seat when at its greatest throw in seating direction. there being immediate rocking clearance of said seat by said valve, when the latter is started upon its movement to obtain clearance in the casing. The rotary movement of the valve in either direction of throw is eccentric to the arc of its seat. whereby friction is eliminated, and there is no liability of said valve to stick, notwithstanding that it closes tight upon Isaid seat with which it is then concentric as shown by dotted lines inFig. 2.

I claim: l

1. A valve consisting of a plate curvilinear in cross-section and having end wings integral therewith and at right-angles thereto, a stem rigid with one of the valvewings and eccentric to the valve-face, a. journal lug projecting from the other of the valve-wings in line with the stem, and a valve-casing provided with bearings for said stem and lug.

2. A valve consisting of a plate curvilinear in cross-section and having end wings integral therewith and at right-angles thereto, a stem rigid with one of the valvethe county of Sheboygan and State of Wisconsin in the presence of two witnesses.

JAMES HJRAYMAKER.

Witnesses: i

Louis GU'rsoH, A. C. REY. 

